🚀 go-pugleaf

Excuse me, how can i count the oranges maximize income...
the queations is following ... (use the lindo software)

if you've the answers, can you reply me email, plz and thx..

- lundi@ms10.url.com.tw

step 1:
O.J.Juice Company sells bags of oranges  and cartons of orange juice.
O.J grades oranges on a scale of 1(poor) to 10(excellent). At present,
O.J has on hand 100,000 lb of grade 9 oranges and 120,000 lb of grade
6 oranges. The average quality of oranges sold in bags must be at least
7, and the avarage qulity of the oranges used to produce orange juice
must be at least 8. Each pound of oranges that is used for juice yields
a revenue of $1.50 and incurs a variable cost (consisting of labor costs,
variable overhead costs inventory costs, and so on) of $1.05 Each pound of
oranges sold in bags yields a revenue of 50 cents and incurs a variable
cost of 20 cents. Formulate an LP to help O.J maximize profit.

step 2:
Juiceco manufactures two products: premium orange juice and regular
orange juice. Both products are make by combining two types of
oranges: grade 6 and grade 3. The oranges in premium juice must have
an average grade of at least 5, those in regular juice, at least 4.

During each of the next two months, Juiceco can sell up to 1000 gallons
of premium juice and up to 2000 gallons of regular juice.
Premium juice sells for 1.00 dollar pre gallon, while regular juice
sells for 80 cents pre gallon. At the beginning of month 1 Juiceco has
3000 gallons of grade 6 oranges and 2000 gallons of grade 3 oranges.
At the beginning of month 2 Juiceco may purchase additional grade 3
oranges for 40 cents per gallon and addtional grade 6 oranges for 60
cents per gallon.

Juice spoils at the end of the month, so it makes no sense to make
extra juice during month 1 in the hopes of using to meet month 2 demand.
Oranges left at the end of month 1 may be used to produce juice for month
2. At the end of month 1 a holding cost of 5 cents is assessed against
each gallon of leftover grade 3 oranges, and 10 cents against each gallon
of leftover grade 6 oranges. In addition to the cost of the oranges,
it costs 10 cents to produce each gallon of (regular or premium)juice.

Formulate an LP that could be used to maximize the profit(revenues-costs)
earned by Juiceco durinng the next two months.